diff --git a/.cargo/config.toml b/.cargo/config.toml
index a1accff..6b7f477 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,4 +1,8 @@
 [target.wasm32-unknown-emscripten]
 rustflags = [
-    "--use-preload-plugins --preload-file assets -s USE_SDL=2 -s USE_SDL_IMAGE=2 -s ASSERTIONS=1",
-]
\ No newline at end of file
+    "-O", "-C", "link-args=-O2 --profiling",
+    #"-C", "link-args=-O3 --closure 1",
+    "-C", "link-args=-sASYNCIFY -sALLOW_MEMORY_GROWTH=1",
+    "-C", "link-args=-sUSE_SDL=2 -sUSE_SDL_IMAGE=2 -sSDL2_IMAGE_FORMATS=['png']",
+    "-C", "link-args=--preload-file assets/ -lidbfs.js",
+]